Ruling · Dyūta Pratipad · 2005

Thursday 3 November

Boundaryin Baoding, under the Rashtriya Panchang method. Both forenoons qualify and the rule does not say which to take. Say “contested”.

Decide it for

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two forenoons

One ghaṭī is 24 minutes. Pūrvāhṇa is first 5 of 15 day muhūrtas.

Forenoon of Wednesday 2 November

Qualifies with 52 of 210 minutes. Not taken.

06:46 sunrisepūrvāhṇa ends 10:16
Pratipadā begins 09:24:36
06:2207:1007:5808:4609:3410:22

52 of 210 minutes covered, the last 52

Forenoon of Thursday 3 November

Taken. Both forenoons qualify; the rule is silent, and this one is covered longer.

06:47 sunrisepūrvāhṇa ends 10:17
Pratipadā ends 08:54:31
06:2307:1107:5908:4709:3510:23

127 of 209 minutes covered, the first 127

Pratipadā presentPūrvāhṇa, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Pratipadā runs from 09:25 on Wed 2 Nov to 08:55 on Thu 3 Nov.

    2005-11-02T01:24:36Z → 2005-11-03T00:54:31Z

  2. 02

    Kāla

    Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:46–10:16 on the 2nd, 06:47–10:17 on the 3rd.

    purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Pratipadā must be present during pūrvāhṇa. It covers 52 of 210 minutes on the 2nd and 127 of 209 on the 3rd.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Both forenoons qualify and the rule marks neither. The one covered longer is ruled, as a boundary.

    priority: unstated → greater-coverage · margin 3110 s

  5. 05

    Ruling

    Dyūta Pratipad, Baoding, 2005: Thursday 3 November.

    confidence: boundary (tie-break-unstated)

Say it like this

In Baoding, Dyūta Pratipad 2005 falls on Thursday 3 November. Pratipadā runs from 09:25 on Wed 2 Nov to 08:55 on Thu 3 Nov and covers 127 of 209 minutes of pūrvāhṇa that forenoon. It also reaches the previous forenoon for 52 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.

ahargana.org/baoding/festivals/2005/dyuta-pratipad · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 3 Nov
Ahargaṇa, classicalDisc centre, no refractionThu 3 Nov
compat-drikpanchangComparison profileThu 3 Nov
No institution has a recorded ruling for Baoding.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/dyuta-pratipad · ruleset 2026.3-draft

Month
Kārtika, amānta
Pakṣa · aṅga
Śukla · Pratipadā
Kāla
Pūrvāhṇa
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 104

“S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlacePratipadāSunrise 2ndCoveredSunrise 3rdCoveredRuled
Los Angeles17:25 → 16:5506:14215 min06:150 min2 Nov
Chicago19:25 → 18:5506:25206 min06:260 min2 Nov
Jersey City20:25 → 19:5506:28208 min06:300 min2 Nov
Port of Spain21:25 → 20:5505:58235 min05:580 min2 Nov
London01:25 → 00:5506:56192 min06:580 min2 Nov
Durban03:25 → 02:5505:01266 min05:000 min2 Nov
Dubai05:25 → 04:5506:27223 min06:280 min2 Nov
Delhi06:55 → 06:2506:34200 min06:350 min2 Nov
Kolkata06:55 → 06:2505:42153 min05:4242 min2 Nov
Singapore09:25 → 08:5506:4683 min06:46128 min3 Nov
Sydney12:25 → 11:5505:540 min05:53270 min3 Nov
Suva13:25 → 12:5505:270 min05:26256 min3 Nov
Profile · tradition
pac-rp@2026.1 · smarta
Rule
dyuta-pratipad@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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